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Duisburg, Germany

Thyssenkrupp Steel Ag

USPTO Granted Patents = 29

% Expired Patents = 69.0

CIPO Patents = 12

Trademarks = 1

Forward Citations = 110

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85 inventors (with patents filed for the assignee):

Thomas Flehmig (5 out of 49 patents)

Lothar Patberg (5 out of 46 patents)

Manfred Meurer (5 out of 10 patents)

4. Michael Brüggenbrock (3 out of 19 patents)

5. Harald Hofmann (3 out of 8 patents)

6. Thomas Heller (3 out of 12 patents)

7. Wilhelm Warnecke (3 out of 8 patents)

8. Mohamed Tohfa (3 out of 4 patents)

9. Ronny Leuschner (3 out of 4 patents)

10. Akio Kobayashi (2 out of 37 patents)

11. Norbert Schaffrath (2 out of 5 patents)

12. Sabine Zeizinger (2 out of 6 patents)

13. Eberhard Sowka (2 out of 5 patents)

14. Brigitte Hammer (2 out of 9 patents)

15. Gernot Nothacker (2 out of 4 patents)

Core Competencies:

High Strength Steel

Hydrogen Embrittlement

Coating Processes

Magnetic Steel

Welding Techniques

Ductility

Motor Vehicle Components

Composite Parts

Sheet Metal Production

Austenitic Steel

Quality Testing

Agglomerated Stone

29 patents: Sort by Forward Citations

1. 9249486 - Profiled steel wire with high mechanical characteristics resistant to hydrogen embrittlement (2016-02-02),

2. 9200355 - Process for manufacturing iron-carbon-manganese austenitic steel sheet with excellent resistance to delayed cracking, and sheet thus produced (2015-12-01),

3. 8959973 - Method and device for the coreless forming of hollow profiles (2015-02-24),

4. 8815025 - High strength steel excellent in uniform elongation properties and method of manufacturing the same (2014-08-26),

5. 8652275 - Process for melt dip coating a strip of high-tensile steel (2014-02-18),

6. 8636854 - Method for melt immersion coating of a flat steel product made of high strength steel (2014-01-28),

7. 8481172 - Steel sheet product provided with an anticorrosion coating and process for producing it (2013-07-09),

8. 8461484 - Conductive stud welding (2013-06-11),

9. 8394213 - Process for coating a hot- or cold- rolled steel strip containing 6−30% by weight of MN with a metallic protective layer (2013-03-12),

10. 8350184 - Laser beam welding head (2013-01-08),

11. 8240184 - Method for producing high-precision half shells (2012-08-14),

12. 8151429 - Method for producing a heavy duty composite part (2012-04-10),

13. 8088229 - Method for producing grain oriented magnetic steel strip (2012-01-03),

14. 8042368 - Method and apparatus for the production of a longitudinal seam welded hollow profile (2011-10-25),

15. 8038806 - Method for producing grain oriented magnetic steel strip (2011-10-18),

Company Overview

Thyssenkrupp Steel AG, headquartered in Duisburg, Germany, is a leading manufacturer in the steel industry, specializing in high-quality flat steel products. The company serves various sectors, including automotive, construction, and mechanical engineering, focusing on innovative solutions that enhance performance and sustainability. Thyssenkrupp Steel AG is committed to advancing steel production technologies, emphasizing efficiency and environmental responsibility in its operations, thereby contributing to the future of steel manufacturing.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

29 Patents

#13 in Duisburg

#1,654 in Germany

#22,570 in the World

Duisburg, Germany

Thyssenkrupp Steel Ag

Forward Citations = 110

85 inventors:

Thomas Flehmig (5 out of 49 patents)

Lothar Patberg (5 out of 46 patents)

Manfred Meurer (5 out of 10 patents)

4. Michael Brüggenbrock (3 out of 19 patents)

5. Harald Hofmann (3 out of 8 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Thyssenkrupp Steel Ag. Retrieved from https://idiyas.com/company/thyssenkrupp-steel-ag

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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